random variable

英 [ˈrændəm ˈveəriəbl]

美 [ˈrændəm ˈveriəbl]

网络  随机变量; 随即变量; 隨機變數; 随机变数; 变数

计算机化学

英英释义

noun

• a variable quantity that is random
  Synonym:variatevariantstochastic variablechance variable

双语例句

• Thermal fatigue Random variable Probabilistic analysis Solder joint Lognormal distribution;
  热疲劳；随机变量；概率分析；焊点；对数正态分布；
• This paper, taking the two-dimensional separate random variable as an example, produced the mutually independent distinctions method for separate random variable, and made a comparison between them.
  以二维离散型随机变量为例，给出了离散型随机变量相互独立的几个判别方法，并对其进行了比较。
• A stochastic scheduling model for hydrothermal power systems is presented based on fuzzy chance constrained programming, taking reservoir inflow and water level for a random variable.
  针对水火电力系统运行调度中所包含的不同种类的不确定量，提出了一种基于模糊随机机会约束规划的短期水火电力系统多目标优化调度模型。
• In order to analyze the effect of the nonlinearity of the function on calculating the expectation and variance of nonlinear function of continuous random variable, a set of examples are designed.
  为了研究近似法对求连续随机变量高阶非线性函数的期望和方差的影响，用典型算例分析了非线性函数的曲率强度对结果的影响。
• A random variable is a function that takes values based on a probability distribution.
  随机变量是一个根据概率分布取值的函数。
• Cumulate probability distribution of trials of random variable of uniform distribution.
  随机变数多次试验结果之累积机率为均匀分布。
• In the model, shortages are allowed and the backorder rate is a random variable.
  存货系统中允许缺货发生且为部分欠拨，欠拨为一随机变。
• This paper presents a reliability design method for fatigue strength of steam turbine parts subjected to alternating and mean stess with random variable stress ratio.
  本文介绍了应力幅和平均应力之比为随机变量时汽轮机零件疲劳强度的可靠性设计方法。
• The sum of the values of a random variable divided by the number of values.
  随机变数数值之和除以其数量。
• The variance of a random variable measures how far from the expected value its values typically are.
  随机变量的方差衡量随机变量值与期望值偏离的程度。